[Widely Used] CAC Rader DOD military CAC USB smart card reader, suitable for government ID, national ID, ActivClient, AKO, OWA, DKO, JKO, NKO, BOL, GKO, Marinenet, AF portal, Pure Edge Viewer, ApproveIt , DCO, DTS, LPS, Disa Enterprise Email and other CAC cards [System Compatibility]: Compatible with Windows 98/Me/2000/NT 4.0/XP/CE/Vista/7/8/8.1/10, Linux, Mac OS. [Advanced Realtek Chipset]:PIV, EMS, ISO-7816 & EMV2 2000 Level 1, CE, FCC, VCCI and Microsoft WHQL certifications. [Easy To Use]: The card reader has a precision slot, easy to insert, can prevent the card from being scratched or jammed, the card reading is accurate, plug and play [Humanized Design]: Add USB cable ties and carrying bag to solve the trouble of cable entanglement and　easy to use and move,The bottom non-slip pad ensures that the bracket will not slide when the card is inserted.